Stopping device for folding machines



Oct. 30, 1923.

O. C. GOULET STOPPING DEVICE FOR FOLDING MACHINES Filed Aug. 1', 1922 Patented Oct. 30,1923. p if 1,472,753.

OMER C. GOULET, OF FALL RIVER; IIIASSACHUSETTS, ASSIGNOR OF ONE-HALF TO A E. PERRON, OE FALL RIVER, MASSACHUSETTS.

STOPPING DEVICE FOR FOLDING MACHINES.

Application filed August 31, 1922. Serial No. 585,473.

To all whom it may concern: treadle 7. From an inspection of Fig. 2, it Be it known that I, OMER C. GoULE'r, a will be readily seen that the lower end porcitizen of the United States, residing at Fall tion of the standard is reduced thus pro- River, in the county of Bristol and State of viding a shoulder 8 which overhangs the 5 Massachusetts, have invented certain new forked ends of the treadle 7 and prevents 60 and useful Improvements in Stopping Be the brake shoe and standard 5' from moving vices for Folding Machines; and I do dein one direction beyond a desired amount. clare the following to be a full, clear, and Movement of the brake shoe and standard exact description of the invention, such as in the opposite direction is limited through 10 will enable others skilled in the art to which engagement of the reduced end of the stand- 6 it appertains to make and use the same. ard with the end of the treadle between the This invention relates to an improved arms 6. This standard is pivotally held bestop for use in connection with a foldtween the arms '6 by means of a bolt 9 which ing machine. It often happens that when constitutes a pivot pin and it will be readily operation of a folding machine is to be seen that when the treadle is rocked upon its I stopped, the machine does not stop quick fulcrum by pressure of the foot upon the enough and the operator in trying to plate 10, the brake shoe will be forced upstop the moving bar of the machine will wardly into tight binding engagement with have his hands caught between the movthe drum. In order to pivotally-mount the ing bar and the jaws of the table thereby treadle, there has been provided fulcrum 76 causing the hands to be injured. With this means including a base plate 11 which will device, rotation of the drive shaft of the be firmly held in place by fasteners 12 and machine can be quickly stopped and movebearing ears 13 which extend upon oppoment of the moving bar of course stopped site sides of the treadle 7 and carry a pivot at the same time. This not only does away bolt 14 which extends through the treadle. with danger of injury to the operator but With this device in place, the operator can also permits the machine to be brought move the belt B from the pulley P to the quickly to a stop thus saving time. idler pulley P by a conventional belt shifter This improved stop has been shown in the and can then place his foot upon the plate 30 accompanying drawing, wherein: 10 and force the treadle downwardly. This 86 F igure 1 is a perspective View showing a will cause the brake shoe to be moved upfragment of the folding machine with the wardly into tight binding engagement with stop applied. the drum 1 and rotation of the drive shaft Figure 2 is a view showing the stop prinwill 'be stopped immediately. There will cipally in side elevation and partially in therefore be no danger of the operator get- 90 section. ting his hands caught and further the ma This stop has been shown applied to a chine can be quickly stopped and time saved.- folding machine which is indicated in gen- From an inspection of Fig. 1, it will be eral by the letter F and includes a drive readily seen that this device is so constructed 4o shaft S rotated by means of the usual pulley that it can be applied to .machines already P and drive belt B. A second pulley or in use. brake drum 1 is mounted upon the drive I claim: shaft and will be rigidly held thereon by 1. Abrake of the character described commeans of a key 2 or by any other suitable prising a treadle pivotally mounted inter- 45 means desired, which will cause the pulley mediate its length and having one end proor drum 1 to rotate with the drive shaft. vided with spaced arms and a'brake shoe The brake shoe 3 which is to engage the having a depending standard having its drum 1 is provided with a lining 4 formed lower end portion pivotally mounted beof leather or any other suitable material tween the arms of said treadle and having 50 which will cause a tight frictional grip upon a shoulder engaging-the upper face of said the drum when the shoe is brought into optreadle.

erative engagement with the drum. This 2. Abrake of the character described comshoe is provided with a depending standard prising a treadle pivotally mounted inter- V or arm 5, the lower end of which extends bemediate its length and having one end protween the spaced arms or forks 6 of the vided with spaced arms and a brake shoe 11 Cal having a depending standard having its lower end portion reduced from one side to provide a tongue portion extending between said arms and a shoulder engaging the upper face of the treadle between the drums, and a pivot fastener extending through the arms and tongue extension to GOULET. 

